Acer p700 Series Portabl e Navigator fundamentalsHardware interface51Acer p700 SeriesPortable NavigatorfundamentalsThis chapter describes basic hardware procedures when using yourAcer p700 SeriesPortable Navigator. Information on the device’s command interface is also provided.Hardware interfaceUsing the touch screen backlightUnder some lighting conditions, viewing the information on your device may bedifficult. If this is the case, activate the backlight by tapping on the screen toilluminate the touch screen.Using the SD/MMC slotYourAcer p700 Series Portable Navigator has an SD/MMC slot compatible with arange of SD and MMC storage cards.Also, the Acer p700 Series’ GPS navigation system has its core on the Navigationsoftware program. Using this program requires you to load the digital maps availableon the Navigation software SD card included with the device (SD card is included withcertain models only).Inserting an SD / MMC card